chore: import upstream snapshot with attribution

2026-07-13 12:47:05 +08:00
commit 4f3b7da785
7394 changed files with 2005594 additions and 0 deletions
@@ -0,0 +1,50 @@
+/* ******************************************************************************
+ *
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Apache License, Version 2.0 which is available at
+ * https://www.apache.org/licenses/LICENSE-2.0.
+ *
+ *  See the NOTICE file distributed with this work for additional
+ *  information regarding copyright ownership.
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ ******************************************************************************/
+
+//
+//  @author GS <sgazeos@gmail.com>
+//
+#include <execution/Threads.h>
+#include <ops/declarable/helpers/sequence_mask.h>
+#if NOT_EXCLUDED(OP_sequence_mask)
+namespace sd {
+namespace ops {
+namespace helpers {
+
+template <typename I, typename B>
+static void sequenceMask_(NDArray* input, NDArray* output, int maxIndex) {
+  auto func = PRAGMA_THREADS_FOR_2D {
+    for (sd::LongType i = start_x; i < stop_x; i += inc_x)
+      for (auto k = start_y; k < stop_y; k += inc_y)
+        if (i < static_cast<sd::LongType>(input->t<I>(k))) output->r<B>(k * maxIndex + i) = B(true);  //,  T(1.0f));
+  };
+
+  samediff::Threads::parallel_for(func, 0, maxIndex, 1, 0, input->lengthOf(), 1);
+}
+
+void sequenceMask(sd::LaunchContext* context, NDArray* input, NDArray* output, int maxIndex) {
+  BUILD_DOUBLE_SELECTOR(input->dataType(), output->dataType(), sequenceMask_, (input, output, maxIndex),
+                        SD_INTEGER_TYPES, SD_COMMON_TYPES_EXTENDED);
+}
+
+BUILD_DOUBLE_TEMPLATE( void sequenceMask_, (NDArray * input, NDArray* output, int maxIndex), SD_INTEGER_TYPES,
+                      SD_COMMON_TYPES_EXTENDED);
+}  // namespace helpers
+}  // namespace ops
+}  // namespace sd
+#endif